Gcse computer science ocr - Study guides, Class notes & Summaries

OCR GCSE (9–1) Computer Science J277/01 Computer Systems MAY 2024 Combined Question Paper and Mark Scheme

COMPUTER SCIENCE OCR GCSE COMPONENTS OF A COMPUTER SYSTEM EXAM QUESTIONS AND ANSWERS

Computer A machine that processes data. Embedded Systems Computers built into other devices, like dishwashers, microwaves and TVs. Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:11 / 0:15 Full screen CPU Known as the 'brain' of the computer. It processes all of the data and instructions that make the systems work. Characteristics which affect the processing power of the CPU - Clock speed - Number of cores - C...

What is Data Protection Act 1998? 1. Controls the use of personal data 2. When collecting personal data, they need to register with the government. 3. Say what they'll collect and how they will use it 4. Data subjects have the right to see personal data that an organisation holds about them. 5. Exceptions are when it affects national security, tax assessment or outcome of a court case What are the 8 principles of the Data Protection Act? 1. Fair and lawful way. 2. Adequate...

Actual 2024 OCR GCSE Computer Science J277/02: Computational thinking, algorithms and Programming Merged Question Paper + Mark Scheme

Actual 2024 OCR GCSE Computer Science J277/02: Computational thinking, algorithms and Programming Merged Question Paper + Mark Scheme

Actual 2024 OCR GCSE Computer Science J277/01: Computer systems Merged Question Paper +Mark Scheme

Actual 2024 OCR GCSE Computer Science J277/01: Computer systems Merged Question Paper +Mark Scheme

What does the CPU stand for? The Central Processing Unit. What is the CPU? The brain of the computer system. Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen What does the CPU do? Process all the data and instructions that make the computer system work. What does the processing power of a CPU depend on? It's: -Clock speed -Number of cores -Cache size What does the CPU architecture de...

This is the final mark scheme